A researcher claims that the mean monthly consumption of coffee per person is more than 19 cups. In a sample of 60 randomly selected people, the mean monthly consumption was 20. The standard deviation 10 of the sample was 4 cups. Which is the parameter to be tested in this claim? *
Since the researcher claims that the mean monthly consumption of coffee per person is more than 19 cups, then this mean is a parameter of the testing
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